#endif /* LIBC_SCCS and not lint */
/*
* Copyright (c) 1987, 1993
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include "port_before.h"
#include <stddef.h>
#include <stdlib.h>
#include <string.h>
#include "port_after.h"
#if !defined(NEED_SETENV)
int __bindcompat_setenv;
#else
extern char **environ;
/*%
* setenv --
* Set the value of the environmental variable "name" to be
* "value". If rewrite is set, replace any current value.
*/
extern char **environ;
char *c;
++value;
if (!rewrite)
return (0);
while (*c++ = *value++);
return (0);
}
} else { /*%< create new slot */
int cnt;
char **p;
if (alloced) { /*%< just increase size */
if (!environ)
return (-1);
}
else { /*%< get new space */
if (!p)
return (-1);
environ = p;
}
}
return (-1);
for (*c++ = '='; *c++ = *value++;);
return (0);
}
/*%
* unsetenv(name) --
* Delete environmental variable "name".
*/
void
char **p;
int offset;
if (!(*p = *(p + 1)))
break;
}
/*%
* findenv --
* Returns pointer to value associated with name, if any, else NULL.
* environmental array, for use by setenv(3) and unsetenv(3).
* Explicitly removes '=' in argument name.
*
* This routine *should* be a static; don't use it.
*/
static char *
const char *np;
char **p, *c;
int len;
return (NULL);
continue;
return (c + len + 1);
}
return (NULL);
}
#endif
/*! \file */